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Finding the Fourth Proportional to 270,346.92, 373,074.86 and 149,485.55

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Solution

The fourth proportional to 270,346.92, 373,074.86 and 149,485.55 is: 206,287.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,346.92 : 373,074.86 = 149,485.55 : x
  2. Step 2: Convert to fraction form
    270,346.92/373,074.86 = 149,485.55/x
  3. Step 3: Cross multiply
    270,346.92x = 373,074.86 × 149,485.55
  4. Step 4: Simplify right side
    270,346.92x = 55,769,301,245.16
  5. Step 5: Solve for x
    x = 55,769,301,245.16/270,346.92
  6. Step 6: Final answer
    x = 206,287.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.